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Stolb Island 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Stolb Island

Russia

Long range weather outlook for Stolb Island includes 14 day forecast summary:

The next 14 day outlook for Stolb Island shows the average daytime maximum temperature will be around -13°C, with a high for the two weeks of -6°C expected on the afternoon of Wednesday 11th. The average minimum temperature will be -28°C, dipping to its lowest on the morning of Monday 16th at -37°C. The fortnight ahead will remain predominantly dry. On the whole winds are likely to be moderate. The forecast suggests the strongest wind will be on the morning of Thursday 12th, coming from a southerly direction, and reaching around 26mph.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 11
Mar
13:00

SSE
SSE

18 / 20 mph 18 / 2°F 66% 1007 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

16 / 19 mph 22 / 8°F 62% 1005 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 85%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

16 / 33 mph 4 / -15°F 79% 1001 mb
Low level cloud: 15%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

ESE
ESE

16 / 34 mph 2 / -17°F 78% 998 mb
Low level cloud: 0%
Mid level cloud: 92%
High level cloud: 100%
Most Significant Cloud Type: medium
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 12
Mar
01:00

SE
SE

16 / 28 mph 10 / -7°F 74% 997 mb
Low level cloud: 36%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

22 / 25 mph 19 / 2°F 78% 996 mb
Low level cloud: 68%
Mid level cloud: 100%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

28 / 32 mph 14 / -6°F 74% 998 mb
Low level cloud: 49%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

23 / 28 mph 6 / -15°F 78% 1002 mb
Low level cloud: 89%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

22 / 34 mph -7 / -32°F 81% 1006 mb
Low level cloud: 81%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

24 / 40 mph -9 / -36°F 81% 1010 mb
Low level cloud: 62%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

17 / 31 mph -11 / -34°F 83% 1014 mb
Low level cloud: 53%
Mid level cloud: 8%
High level cloud: 3%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

11 / 23 mph -15 / -36°F 88% 1015 mb
Low level cloud: 1%
Mid level cloud: 44%
High level cloud: 55%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 13
Mar
01:00

S
S

6 / 6 mph -3 / -15°F 88% 1016 mb
Low level cloud: 95%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

W
W

4 / 5 mph 2 / -6°F 98% 1017 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 37%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

6 / 7 mph -1 / -13°F 98% 1019 mb
Low level cloud: 100%
Mid level cloud: 94%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

7 / 13 mph -13 / -29°F 96% 1022 mb
Low level cloud: 100%
Mid level cloud: 92%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

13 / 23 mph -14 / -37°F 86% 1025 mb
Low level cloud: 100%
Mid level cloud: 69%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

11 / 20 mph -15 / -36°F 83% 1027 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

8 / 17 mph -19 / -38°F 91% 1030 mb
Low level cloud: 83%
Mid level cloud: 47%
High level cloud: 3%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

10 / 20 mph -20 / -40°F 90% 1031 mb
Low level cloud: 40%
Mid level cloud: 77%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 14
Mar
01:00

S
S

11 / 23 mph -20 / -41°F 91% 1032 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

13 / 27 mph -21 / -45°F 92% 1032 mb
Low level cloud: 6%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

14 / 29 mph -22 / -46°F 93% 1032 mb
Low level cloud: 15%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

13 / 27 mph -21 / -45°F 93% 1032 mb
Low level cloud: 13%
Mid level cloud: 14%
High level cloud: 12%
Most Significant Cloud Type: low
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

12 / 14 mph -2 / -20°F 92% 1032 mb
Low level cloud: 7%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: medium
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

11 / 12 mph 3 / -13°F 90% 1032 mb
Low level cloud: 1%
Mid level cloud: 9%
High level cloud: 19%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

9 / 13 mph -7 / -24°F 93% 1033 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 40%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

7 / 15 mph -21 / -39°F 95% 1032 mb
Low level cloud: 0%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: medium
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 15
Mar
01:00

SSE
SSE

6 / 13 mph -13 / -28°F 98% 1032 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 33%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

4 / 9 mph -25 / -38°F 97% 1032 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 2%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

5 / 10 mph -28 / -42°F 98% 1033 mb
Low level cloud: 11%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

5 / 11 mph -27 / -43°F 96% 1033 mb
Low level cloud: 15%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

4 / 4 mph -6 / -15°F 92% 1032 mb
Low level cloud: 3%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

ESE
ESE

4 / 4 mph -2 / -10°F 92% 1032 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

3 / 6 mph -13 / -21°F 98% 1032 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 12%
Most Significant Cloud Type: low
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

2 / 4 mph -28 / -35°F 99% 1031 mb
Low level cloud: 17%
Mid level cloud: 3%
High level cloud: 33%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 16
Mar
01:00

ENE
ENE

1 / 3 mph -31 / -31°F 100% 1031 mb
Low level cloud: 95%
Mid level cloud: 4%
High level cloud: 31%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

2 / 4 mph -34 / -34°F 100% 1030 mb
Low level cloud: 100%
Mid level cloud: 0%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ENE
ENE

1 / 3 mph -35 / -35°F 100% 1029 mb
Low level cloud: 100%
Mid level cloud: 1%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ENE
ENE

3 / 7 mph -26 / -37°F 100% 1028 mb
Low level cloud: 100%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

E
E

6 / 7 mph 0 / -13°F 97% 1026 mb
Low level cloud: 100%
Mid level cloud: 53%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

5 / 6 mph 7 / -2°F 94% 1025 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

4 / 4 mph 2 / -6°F 98% 1025 mb
Low level cloud: 99%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

5 / 6 mph -6 / -19°F 99% 1024 mb
Low level cloud: 86%
Mid level cloud: 69%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 17
Mar
01:00

SW
SW

6 / 12 mph -24 / -40°F 100% 1024 mb
Low level cloud: 89%
Mid level cloud: 18%
High level cloud: 6%
Most Significant Cloud Type: low
95%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

5 / 11 mph -24 / -39°F 99% 1024 mb
Low level cloud: 77%
Mid level cloud: 61%
High level cloud: 32%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

4 / 9 mph -21 / -33°F 97% 1024 mb
Low level cloud: 60%
Mid level cloud: 43%
High level cloud: 33%
Most Significant Cloud Type: low
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

6 / 12 mph -21 / -36°F 95% 1024 mb
Low level cloud: 25%
Mid level cloud: 47%
High level cloud: 38%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

6 / 7 mph 1 / -10°F 88% 1024 mb
Low level cloud: 38%
Mid level cloud: 100%
High level cloud: 18%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

6 / 7 mph 6 / -5°F 89% 1024 mb
Low level cloud: 29%
Mid level cloud: 30%
High level cloud: 5%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

8 / 12 mph -3 / -18°F 95% 1024 mb
Low level cloud: 2%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

11 / 16 mph -4 / -22°F 94% 1023 mb
Low level cloud: 5%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 18
Mar
04:00

S
S

3 / 6 mph -10 / -18°F 93% 1014 mb
Low level cloud: 34%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
10:00

SSE
SSE

17 / 35 mph -2 / -23°F 80% 1007 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 81%
Most Significant Cloud Type: medium
7%
0.0 In
16:00

SE
SE

11 / 13 mph 18 / 6°F 84% 1005 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 3%
Most Significant Cloud Type: medium
45%
0.0 In
22:00

SSE
SSE

12 / 21 mph -4 / -22°F 92% 1011 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 31%
Most Significant Cloud Type: medium
4%
0.0 In
Thu 19
Mar
04:00

S
S

25 / 37 mph 4 / -19°F 77% 1003 mb
Low level cloud: 26%
Mid level cloud: 5%
High level cloud: 9%
Most Significant Cloud Type: low
28%
0.0 In
10:00

ENE
ENE

16 / 21 mph 6 / -13°F 94% 1003 mb
Low level cloud: 92%
Mid level cloud: 46%
High level cloud: 42%
Most Significant Cloud Type: low
100%
0.0 In
16:00

SW
SW

20 / 23 mph -4 / -27°F 84% 1016 mb
Low level cloud: 94%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
22:00

ENE
ENE

9 / 10 mph 4 / -10°F 98% 1007 mb
Low level cloud: 92%
Mid level cloud: 90%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.0 In
Fri 20
Mar
04:00

SW
SW

18 / 31 mph -14 / -39°F 84% 1015 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
10:00

WNW
WNW

7 / 8 mph 6 / -6°F 95% 1011 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
16:00

WSW
WSW

21 / 24 mph 3 / -19°F 88% 1016 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
22:00

WNW
WNW

6 / 8 mph 5 / -7°F 97% 1010 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 6%
Most Significant Cloud Type: low
100%
0.1 In
Sat 21
Mar
04:00

SW
SW

10 / 12 mph 4 / -12°F 87% 1015 mb
Low level cloud: 69%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
10:00

SSE
SSE

11 / 20 mph -6 / -24°F 93% 1011 mb
Low level cloud: 56%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
16:00

SW
SW

13 / 15 mph 5 / -12°F 87% 1007 mb
Low level cloud: 62%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
22:00

ESE
ESE

8 / 17 mph -8 / -24°F 93% 1016 mb
Low level cloud: 21%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.0 In
Sun 22
Mar
04:00

WSW
WSW

13 / 15 mph 7 / -9°F 93% 999 mb
Low level cloud: 79%
Mid level cloud: 100%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.0 In
10:00

E
E

4 / 8 mph -27 / -39°F 99% 1018 mb
Low level cloud: 11%
Mid level cloud: 48%
High level cloud: 0%
Most Significant Cloud Type: medium
79%
0.0 In
16:00

W
W

16 / 18 mph 18 / 3°F 94% 999 mb
Low level cloud: 70%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
22:00

ESE
ESE

5 / 9 mph -8 / -20°F 96% 1018 mb
Low level cloud: 36%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
Mon 23
Mar
04:00

NNE
NNE

7 / 11 mph -3 / -17°F 97% 1005 mb
Low level cloud: 90%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
10:00

SSW
SSW

6 / 10 mph -13 / -27°F 99% 1017 mb
Low level cloud: 97%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
16:00

NW
NW

6 / 9 mph -4 / -16°F 86% 1015 mb
Low level cloud: 8%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
22:00

S
S

8 / 16 mph -32 / -52°F 99% 1015 mb
Low level cloud: 10%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
13%
0.0 In
Tue 24
Mar
04:00

SW
SW

10 / 12 mph 11 / -3°F 88% 1015 mb
Low level cloud: 29%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
10:00

SE
SE

8 / 13 mph -3 / -17°F 96% 1003 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
16:00

WNW
WNW

17 / 20 mph 18 / 2°F 91% 1014 mb
Low level cloud: 84%
Mid level cloud: 100%
High level cloud: 3%
Most Significant Cloud Type: low
100%
0.0 In
22:00

SSW
SSW

15 / 17 mph 18 / 4°F 88% 998 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.0 In
Wed 25
Mar
04:00

WSW
WSW

9 / 20 mph 6 / -8°F 94% 1018 mb
Low level cloud: 81%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
10:00

SSW
SSW

19 / 22 mph 15 / -2°F 84% 996 mb
Low level cloud: 82%
Mid level cloud: 100%
High level cloud: 21%
Most Significant Cloud Type: low
100%
0.0 In
16:00

SW
SW

11 / 12 mph 14 / 2°F 80% 1020 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
22:00

SSW
SSW

16 / 25 mph 14 / -2°F 84% 995 mb
Low level cloud: 70%
Mid level cloud: 94%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
Thu 26
Mar
04:00

S
S

9 / 20 mph -5 / -21°F 98% 1017 mb
Low level cloud: 14%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
83%
0.0 In
10:00

W
W

9 / 10 mph 12 / 0°F 92% 998 mb
Low level cloud: 90%
Mid level cloud: 100%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.0 In
16:00

S
S

11 / 13 mph 21 / 9°F 89% 1013 mb
Low level cloud: 28%
Mid level cloud: 4%
High level cloud: 10%
Most Significant Cloud Type: low
30%
0.0 In
22:00

WNW
WNW

8 / 15 mph -10 / -27°F 96% 1009 mb
Low level cloud: 98%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure